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polar

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.04 sec.
polar /po·lar/ (po´lar)
1. of or pertaining to a pole.
2. being at opposite ends of a spectrum of manifestations.

po·lar (plr)
adj.
1. Of or relating to a pole.
2. Having poles. Used of certain nerve cells having one or more processes.

polar
1. emanating from or pertaining to a pole.
2. being at opposite ends of a spectrum of values.

polar bodies
1. the small cells consisting of a tiny bit of cytoplasm and a nucleus that result from unequal division of the primary oocyte (first polar body) and, if fertilization occurs, of the secondary oocyte (second polar body).
2. metachromatic granules located at the ends of bacteria.
polar bond
a covalent bond in which the electron pair is held unequally by two bonded atoms.
polar spongioblastoma
an astrocytoma with a predilection for the optic nerve and pons.

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